結果
問題 | No.48 ロボットの操縦 |
ユーザー | derui |
提出日時 | 2016-06-27 23:20:43 |
言語 | OCaml (5.1.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,252 bytes |
コンパイル時間 | 433 ms |
コンパイル使用メモリ | 20,992 KB |
実行使用メモリ | 10,496 KB |
最終ジャッジ日時 | 2024-10-08 23:47:21 |
合計ジャッジ時間 | 7,008 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,824 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | TLE | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
ソースコード
type dir = N | E | W | S let move_with_dir (x, y) pitch = function | N -> (x, y + pitch) | W -> (x - pitch, y) | E -> (x + pitch, y) | S -> (x, y - pitch) let turn_for_x v current = let to_west = v < 0 and to_east = v > 0 in match current with | N when to_east -> Some (E, 1) | N when to_west -> Some (W, 1) | S when to_east -> Some (E, 1) | S when to_west -> Some (W, 1) | E when to_west -> Some (W, 2) | W when to_east -> Some (E, 2) | _ -> None let turn_for_y v current = let to_south = v < 0 and to_north = v > 0 in match current with | E when to_south -> Some (S, 1) | E when to_north -> Some (N, 1) | W when to_south -> Some (S, 1) | W when to_north -> Some (N, 1) | N when to_south -> Some (S, 2) | S when to_north -> Some (N, 2) | _ -> None let solve tag_x tag_y max_pitch = let move_to_x x dir = let dir, act_count = match turn_for_x tag_x dir with | None -> dir, 0 | Some v -> v in let pitch = min max_pitch (abs (tag_x - x)) in dir, act_count, pitch and move_to_y y dir = let dir, act_count = match turn_for_y tag_y dir with | None -> dir, 0 | Some v -> v in let pitch = min max_pitch (abs (tag_y - y)) in dir, act_count, pitch in let rec solve' (x, y) dir count = if (x, y) = (tag_x, tag_y) then count else if x = tag_x then let dir, act_count, pitch = move_to_y y dir in solve' (move_with_dir (x, y) pitch dir) dir (count + act_count + 1) else if y = tag_y then let dir, act_count, pitch = move_to_x x dir in solve' (move_with_dir (x, y) pitch dir) dir (count + act_count + 1) else let dir_x, act_count_x, pitch_x = move_to_x x dir and dir_y, act_count_y, pitch_y = move_to_y y dir in if act_count_x > act_count_y then solve' (move_with_dir (x, y) pitch_y dir_y) dir_y (count + act_count_y + 1) else solve' (move_with_dir (x, y) pitch_x dir_x) dir_x (count + act_count_x + 1) in solve' (0, 0) N 0 let () = let x_pos = read_line () |> int_of_string in let y_pos = read_line () |> int_of_string in let max_movable = read_line () |> int_of_string in Printf.printf "%d\n" (solve x_pos y_pos max_movable)